dbgu.lst

本程序为完成各种中断的演示

   \   00000000   ....               LDR         R0,??DataTable5    ;; 0xfffff200
   \   00000002   ....               B           ?Subroutine9
     71          }

   \                                 In segment CODE, align 4, keep-with-next
   \                     ?Subroutine9:
   \   00000000   1021               MOV         R1,#+0x10
   \   00000002   0160               STR         R1,[R0, #+0]
   \   00000004   7047               BX          LR                 ;; return
   \   00000006   C046               NOP         
   \                     ??Subroutine9_0:
   \   00000008   70F4FFFF           DC32        0xfffff470
   \   0000000C   74F4FFFF           DC32        0xfffff474
   \   00000010   04F4FFFF           DC32        0xfffff404
     72          

   \                                 In segment CODE, align 4, keep-with-next
     73          void DBGU_RX_TX_RST_DIS(void)
     74          {
     75            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ;
     76            pDbgu->DBGU_CR = 0x000000AC;
   \                     DBGU_RX_TX_RST_DIS:
   \   00000000   ....               LDR         R0,??DataTable5    ;; 0xfffff200
   \   00000002   AC21               MOV         R1,#+0xAC
   \   00000004   0160               STR         R1,[R0, #+0]
     77          }
   \   00000006   7047               BX          LR                 ;; return
     78          

   \                                 In segment CODE, align 4, keep-with-next
     79          void DBGU_Parity_Cfg(unsigned int par)
     80          {
     81            AT91PS_DBGU pDbgu = AT91C_BASE_DBGU ;
     82          
     83            pDbgu->DBGU_MR = par << 9;
   \                     DBGU_Parity_Cfg:
   \   00000000   ....               LDR         R1,??DataTable7    ;; 0xfffff204
   \   00000002   4002               LSL         R0,R0,#+0x9
   \   00000004   0860               STR         R0,[R1, #+0]
     84          }
   \   00000006   7047               BX          LR                 ;; return
     85          
     86          

   \                                 In segment CODE, align 4, keep-with-next
     87          void Init_DBGU(void)
     88          {
     89            AT91F_DBGU_CfgPIO();
   \                     Init_DBGU:
   \   00000000   C020               MOV         R0,#+0xC0
   \   00000002   4005               LSL         R0,R0,#+0x15       ;; #+0x18000000
   \   00000004   ....               LDR         R1,??Subroutine9_0  ;; 0xfffff470
   \   00000006   0860               STR         R0,[R1, #+0]
   \   00000008   ....               LDR         R1,??Subroutine9_0+0x4  ;; 0xfffff474
   \   0000000A   0022               MOV         R2,#+0
   \   0000000C   0A60               STR         R2,[R1, #+0]
   \   0000000E   ....               LDR         R1,??Subroutine9_0+0x8  ;; 0xfffff404
   \   00000010   0860               STR         R0,[R1, #+0]
     90            DBGU_RX_TX_RST_DIS();
   \   00000012   ....               LDR         R0,??DataTable5    ;; 0xfffff200
   \   00000014   AC21               MOV         R1,#+0xAC
   \   00000016   0160               STR         R1,[R0, #+0]
     91            Init_DBGU_BGR(26);  //26 <=> 115kBd
   \   00000018   ....               LDR         R1,??DataTable6    ;; 0xfffff220
   \   0000001A   1A22               MOV         R2,#+0x1A
   \   0000001C   0A60               STR         R2,[R1, #+0]
     92            DBGU_Parity_Cfg(4);
   \   0000001E   ....               LDR         R1,??DataTable7    ;; 0xfffff204
   \   00000020   8022               MOV         R2,#+0x80
   \   00000022   1201               LSL         R2,R2,#+0x4        ;; #+0x800
   \   00000024   0A60               STR         R2,[R1, #+0]
     93            DBGU_TX_Enable();
   \   00000026   4021               MOV         R1,#+0x40
   \   00000028   0160               STR         R1,[R0, #+0]
   \   0000002A   C046               NOP         
     94            DBGU_RX_Enable();
   \   0000002C                      REQUIRE ?Subroutine9
   \   0000002C                      ;; // Fall through to label ?Subroutine9
     95          }
     96          

   \                                 In segment CODE, align 4, keep-with-next
     97          void uprintf(char *fmt,...)
     98          {
   \                     uprintf:
   \   00000000   0EB4               PUSH        {R1-R3}
   \   00000002   00B5               PUSH        {LR}
   \   00000004   C0B0               SUB         SP,#+0x100
     99              va_list ap;
    100              char string[256];
    101              va_start(ap,fmt);
   \   00000006   41AA               ADD         R2,SP,#+0x104
    102              vsprintf(string,fmt,ap);
   \   00000008   011C               MOV         R1,R0
   \   0000000A   6846               MOV         R0,SP
   \   0000000C   ........           _BLF        vsprintf,vsprintf??rT
    103              AT91F_DBGU_Printk(string);
   \   00000010   6846               MOV         R0,SP
   \   00000012   ........           BL          AT91F_DBGU_Printk
    104              va_end(ap);
    105          }
   \   00000016   40B0               ADD         SP,#+0x100
   \   00000018   0FBC               POP         {R0-R3}
   \   0000001A   0047               BX          R0                 ;; return

   \                                 In segment CODE, align 4, keep-with-next
   \                     ??DataTable5:
   \   00000000   00F2FFFF           DC32        0xfffff200

   \                                 In segment CODE, align 4, keep-with-next
   \                     ??DataTable6:
   \   00000000   20F2FFFF           DC32        0xfffff220

   \                                 In segment CODE, align 4, keep-with-next
   \                     ??DataTable7:
   \   00000000   04F2FFFF           DC32        0xfffff204

   Maximum stack usage in bytes:

     Function           CSTACK
     --------           ------
     AT91F_DBGU_Printk      4
     DBGU_Parity_Cfg        0
     DBGU_RX_Enable         0
     DBGU_RX_TX_RST_DIS     0
     DBGU_TX_Enable         0
     Init_DBGU              0
     Init_DBGU_BGR          0
     Init_DBGU_CLK          0
     uprintf              260


   Segment part sizes:

     Function/Label     Bytes
     --------------     -----
     AT91F_DBGU_Printk    48
     Init_DBGU_CLK        12
     Init_DBGU_BGR         6
     DBGU_TX_Enable        8
     DBGU_RX_Enable        4
     ?Subroutine9         20
     DBGU_RX_TX_RST_DIS    8
     DBGU_Parity_Cfg       8
     Init_DBGU            44
     uprintf              28
     ??DataTable5          4
     ??DataTable6          4
     ??DataTable7          4
      Others              80

 
 278 bytes in segment CODE
 
 198 bytes of CODE memory (+ 80 bytes shared)

Errors: none
Warnings: none